both mitt romney and president obama will be in ohio today. >> both candidates plan to make stops in the cleveland and toledo areas. governor romney will also make a stop near columbus. tara mergener has more. >> reporter: by bus or by plane, for mitt romney and paul ryan, this election could come down to one state. >> oh. oh! >> ohio. >> works every time. >> reporter: ohio is one of the key swing states in this election and today romney and president obama will be battling for attention there, but the latest cbs news poll swing state shows romney with some ground to make up. the poll just out this morning has president obama up ten points in the buckeye state. he had a six-point lead before the conventions. >> we don't like it. we're not going back. >> reporter: the numbers are similar in florida where the president now has a nine-point lead over romney and in pennsylvania he's maintained a double-digit advantage for a couple of months now. but it's ohio that's been the main focus of the campaign with president obama and his republic rival each making his 14th trip to the state. tur